The Authors present a match-paired study between computer assisted and free-hand techniques using a short modular femoral stem in total hip arthroplasty (Metha, B.Braun Aesculap, Tuttelingen; Germany). They assessed surgical time, clinical outcome, dislocation rate, limb length and off-set in 44 patients with ideal indication for this more conservative implants. Despite both longer surgical tim...

Three modular reduction algorithms for large integers are compared with respect to their performance in portable software: the classical algorithm, Barrett’s algorithm and Montgomery’s algorithm. These algorithms are a time critical step in the implementation of the modular exponentiation operation. For each of these algorithms their application in the modular exponentiation operation is consid...

How plants respond to density via modular plasticity is obscure, probably because relevant studies using covariance analysis (ANCOVA) and allometric rarely focus on multiple stages of plant growth, also the two approaches are seldom used simultaneously. In this study, a field experiment evaluated effects three levels resource allocation traits in Abutilon theophrasti tested degree which these w...

BACKGROUND Revision total knee arthroplasty (TKA) poses unique challenges compared with primary TKA such as bone loss, deformity, and ligament instability. Modular component options allow flexibility to deal with these complexities. The purpose of this study was to evaluate midterm outcomes for revision TKA using a modular revision knee system with complete interchangeability and multiple optio...

multiple sclerosis is an inflammatory disease of the central nervous system in which t cells experience a second phase of activation, which ultimately leads to axonal demyelination and neurological disability. the recent advances in stem cell therapies may serve as potential treatments for neurological disorders. there are broad types of stem cells such as neural, embryonic, mesenchymal and hem...